W55U032A provides a flexible and cost efficient single chip solution for download or USB bridge applications.  W55U032A is a high-performance integrated circuit to access the W55Fxx, SPI flash or NAND type flash memory via the USB bus.  The API (Application Program Interface) is provided for PC to control the W55U032A easily via USB interface.

The USB Mass Storage Class compliance capability of W55U032A makes it a truly “auto-run” device without vendor drivers under Windows 2000/ME/XP/Vista and Mac OS X.  W55U032A also provided HID (Human Interface Devices) class of USB devices for upload/download or general I/O control applications.